WIMMIE
ALIASES:
Wimmie, Wintrim
PLATFORM:
Windows 2000, Windows Server 2003, Windows XP (32-bit, 64-bit), Windows Vista (32-bit, 64-bit), Windows 7 (32-bit, 64-bit)
OVERALL RISK RATING:
DAMAGE POTENTIAL:
DISTRIBUTION POTENTIAL:
REPORTED INFECTION:
INFORMATION EXPOSURE:
Threat Type: Trojan
Destructiveness: No
Encrypted:
In the wild: Yes
OVERVIEW
WIMMIE is a family of Trojans that have the capability to drop and execute malicious VBS files. These VBS files can perform different commands of remote malicious users.
Upon execution, WIMMIE variants open a non-malicious dropped file in order to hide their malicious routines from users.
TECHNICAL DETAILS
Memory Resident:
Yes
Payload:
Drops files
Installation
This Trojan drops the following files:
- {malware path}\Ten Great Tips For Each Day.pdf
- %User Temp%\maritimemaster.kilu.org_test.exe
- %User Temp%\temp.vbs
(Note: %User Temp% is the current user's Temp folder, which is usually C:\Documents and Settings\{user name}\Local Settings\Temp on Windows 2000, XP, and Server 2003, or C:\Users\{user name}\AppData\Local\Temp on Windows Vista and 7.)